Numerical reasoning 4,3 / 2,20 / 27,7 / 16,36 / 125, () 1,4,13,40121, () The main thing is to write the process clearly

Numerical reasoning 4,3 / 2,20 / 27,7 / 16,36 / 125, () 1,4,13,40121, () The main thing is to write the process clearly

1, is (8n-4 / N ^ 3), (2n-1) / N ^ 2 two groups alternate (n > = 1)
2, is 1,1 + 3 ^ 1 = 4,4 + 3 ^ 2 = 13,. 131 + 3 ^ 5 = 364